chrome.serial: [POSIX] Queue *Completed() callback in Cancel*Impl()

chrome/browser/extensions/api/serial/serial_io_handler_posix.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/serial/serial_io_handler_posix.h"
 
 #include "base/posix/eintr_wrapper.h"
 
 namespace {
 const base::PlatformFile kInvalidPlatformFileValue = -1;
@@ skipping 19 matching lines @@
   DCHECK(pending_write_buffer());
   DCHECK_NE(file(), kInvalidPlatformFileValue);
 
   EnsureWatchingWrites();
 }
 
 void SerialIoHandlerPosix::CancelReadImpl() {
   DCHECK(CalledOnValidThread());
   is_watching_reads_ = false;
   file_read_watcher_.StopWatchingFileDescriptor();
+  QueueReadCompleted(0, read_cancel_reason());
 }
 
 void SerialIoHandlerPosix::CancelWriteImpl() {
   DCHECK(CalledOnValidThread());
   is_watching_writes_ = false;
   file_write_watcher_.StopWatchingFileDescriptor();
+  QueueWriteCompleted(0, write_cancel_reason());
 }
 
 SerialIoHandlerPosix::SerialIoHandlerPosix()
     : is_watching_reads_(false),
       is_watching_writes_(false) {
 }
 
 SerialIoHandlerPosix::~SerialIoHandlerPosix() {}
 
 void SerialIoHandlerPosix::OnFileCanReadWithoutBlocking(int fd) {
@@ skipping 59 matching lines @@
   DCHECK_NE(file(), kInvalidPlatformFileValue);
   if (!is_watching_writes_) {
     is_watching_writes_ =
         base::MessageLoopForIO::current()->WatchFileDescriptor(
             file(), true, base::MessageLoopForIO::WATCH_WRITE,
             &file_write_watcher_, this);
   }
 }
 
 }  // namespace extensions